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   <div id="projectname">hybridMPIC
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   <div id="projectbrief">A fully relativisitic 2d Particle-In-Cell(PIC) code, with explicit solver, MPI&amp;OpenMP support</div>
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<div class="title">denfunc.h</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="preprocessor">#ifndef __USRDENS</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="preprocessor">#define __USRDENS</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="preprocessor">#include &quot;type.h&quot;</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="preprocessor">#define densitye 1e24</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="preprocessor">#define ATOM_NUM  79.0</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="preprocessor">#define ngold 5.89e28</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="preprocessor">#include &quot;physicalconstants.h&quot;</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor">#include &quot;common.h&quot;</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="preprocessor">#define UNITS 1E-6</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="keywordtype">void</span> calc_density(<span class="keyword">const</span> <a class="code" href="../../d6/d9c/class____Vect2.html">__Vect2&lt;double&gt;</a>&amp; position, vector&lt;double&gt;&amp; density)</div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;{</div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;    <span class="keywordtype">double</span> x = position.member[0];</div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;    <span class="keywordtype">double</span> y = position.member[1] - 15 * UNITS;</div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;    <a class="code" href="../../d6/d9c/class____Vect2.html">__Vect2&lt;double&gt;</a>  pos1(18 * UNITS, 1 * UNITS), pos2(28 * UNITS, 29 * UNITS);</div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;    <a class="code" href="../../d6/d9c/class____Vect2.html">__Vect2&lt;double&gt;</a>  pos3(24 * UNITS, 14.7 * UNITS), pos4(24.3 * UNITS, 15.3 * UNITS);</div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;    <a class="code" href="../../d6/d9c/class____Vect2.html">__Vect2&lt;double&gt;</a> center(30e-6, 20e-6);</div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;    <a class="code" href="../../d6/d9c/class____Vect2.html">__Vect2&lt;double&gt;</a> radius = position - center;</div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;    <span class="keywordtype">double</span> rad = 10e-6;</div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;    <span class="keywordtype">double</span> ncritt = 1.1e27;</div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;    </div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;    <span class="keywordflow">if</span>(position &gt; pos1 &amp;&amp; position &lt; pos2)</div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;    {</div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;        density = {5.0 * ncritt, 5.0 / 6.0 * ncritt, 0, 0, 0};</div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;    }</div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;</div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;    <span class="keywordflow">if</span>((y * y &lt; 5.0625 * UNITS * (x - 24 * UNITS)) || (y * y &lt; -5.0625 * UNITS * (x - 22 * UNITS)))</div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;    {</div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;        density = {0, 0, 0, 0, 0};</div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;    }</div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;</div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;    <span class="keywordflow">if</span>((position &gt; pos3 &amp;&amp; position &lt; pos4))</div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;    {</div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;        density = {20 * ncritt, 0, 0, 0, 20 * ncritt};</div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;    }</div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;    </div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;    </div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;    <span class="comment">/***</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="comment">    if(position &gt; pos1 &amp;&amp; position &lt; pos2)</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="comment">    {</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="comment">        //density[0] = densitye;</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="comment">        density = {0, ngold, 0, 0, 0};</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="comment">    }</span></div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="comment">    //cout&lt;&lt;&quot;x, y &quot;&lt;&lt;x&lt;&lt;&quot;\t&quot;&lt;&lt;y&lt;&lt;&quot;\t&quot;&lt;&lt;(x - UNITS&gt;= 50 * y*y)&lt;&lt;endl;</span></div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="comment">    //getchar();</span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="comment">    if(x - 1 * UNITS &gt;= y * y / UNITS)</span></div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="comment">    {</span></div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="comment">        density[1] = ngold;</span></div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="comment">    }</span></div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="comment">    </span></div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="comment">    double y1 = 0.267 * x + 10e-6, y2 = - 0.267 * x + 30e-6;</span></div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="comment">    if(x &gt; 40e-6)</span></div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="comment">    {</span></div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="comment">        return;</span></div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="comment">    }</span></div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="comment">    if(((y &gt; y2 - 1.5e-6 &amp;&amp; y &lt; y2) ||( y &lt; y1 + 1.5e-6 &amp;&amp; y &gt; y1)) &amp;&amp; x &lt; 35e-6)</span></div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="comment">    {</span></div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="comment">        density[0] = 4.0 * ncritt;</span></div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="comment">        density[4] = 0.666 * ncritt;</span></div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="comment">        //density = {4.0 * ncritt, 0, 0, 0, 0.666 * ncritt};</span></div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="comment">    }</span></div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="comment">    if(((y &gt; y2 &amp;&amp; y &lt; y2 + 1.5e-6) || (y &lt; y1 &amp;&amp; y &gt; y1 - 1.5e-6)) &amp;&amp; x &lt; 40e-6)</span></div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="comment">    {</span></div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="comment">        density[0] = 30.0 * ncritt;</span></div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="comment">        density[1] = 5.0 * ncritt;</span></div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="comment">        //density = {30.0 * ncritt, 5.0 * ncritt, 0, 0, 0};</span></div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="comment">    }</span></div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="comment">    ***/</span></div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;    </div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;    </div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;    <span class="comment">/***</span></div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;<span class="comment">    if((y &gt; 0.25 * x + 10e-6) &amp;&amp; (y &lt; -0.25 * x + 30e-6) &amp;&amp; (x &lt; 20e-6))</span></div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="comment">    {</span></div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="comment">        density = {0, 0, 0, 0, 0};</span></div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;<span class="comment">    }</span></div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;<span class="comment">    if((y &lt; 0.25 * x + 10e-6) &amp;&amp; (y &gt; 0.25 * x + 6e-6) &amp;&amp; \</span></div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="comment">            ( y &lt; - 0.25 * x + 34e-6) &amp;&amp; ( y &gt; - 0.25 * x + 30e-6) &amp;&amp; \</span></div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<span class="comment">            (x &lt; 20e-6))</span></div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;<span class="comment">    {</span></div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="comment">        density[4] = ngold * 100;</span></div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;<span class="comment">    }</span></div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;<span class="comment">    if(Mod(radius) &lt; rad)</span></div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;<span class="comment">    {</span></div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="comment">        density[1] = 10 * densitye;</span></div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;<span class="comment">    }</span></div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;<span class="comment">    ***/</span></div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;}</div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;</div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;</div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;</div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;</div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;<span class="preprocessor">#ifndef __INITSP</span></div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;<span class="preprocessor">#define __INITSP</span></div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;</div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;<span class="keywordtype">void</span> init_sp(vector&lt;Particles&gt;&amp; spptcls, vector&lt;int&gt;&amp; ppc)</div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;{</div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;    <a class="code" href="../../da/d1a/class____Vect3.html">__Vect3&lt;double&gt;</a> velocity(1e8, 1e8, 0), zeros(0, 0, 0);</div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;    <a class="code" href="../../d0/de9/structParticles.html">Particles</a> electrons = {<span class="stringliteral">&quot;Electron&quot;</span>, 0, e_mass, -e_charge, 0.0, zeros};</div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;    <span class="comment">//Particles ions = {&quot;Au&quot;, 1, 63.5 * 1837 * e_mass, 6.0 * e_charge, 0.0, zeros};</span></div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;    <a class="code" href="../../d0/de9/structParticles.html">Particles</a> proton = {<span class="stringliteral">&quot;Proton&quot;</span>, 4, 1837 * e_mass, e_charge, 0.0, zeros};</div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;    <a class="code" href="../../d0/de9/structParticles.html">Particles</a> position = {<span class="stringliteral">&quot;Positron&quot;</span>, 2, e_mass, e_charge, 0.0, zeros};</div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;    <a class="code" href="../../d0/de9/structParticles.html">Particles</a> photon = {<span class="stringliteral">&quot;Photon&quot;</span>, 3, 0, 0, 0, zeros};</div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;    <a class="code" href="../../d0/de9/structParticles.html">Particles</a> Carbon = {<span class="stringliteral">&quot;Carbon&quot;</span>, 1, 12 * 1837 * e_mass, 6 * e_charge, 0.0, zeros};</div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;    spptcls.push_back(electrons);</div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;    spptcls.push_back(Carbon);</div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;    spptcls.push_back(position);</div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;    spptcls.push_back(photon);</div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;    spptcls.push_back(proton);</div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;    ppc = {5, 5, 5, 5, 5};</div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;}</div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;</div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;</div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="ttc" id="class____Vect2_html"><div class="ttname"><a href="../../d6/d9c/class____Vect2.html">__Vect2&lt; double &gt;</a></div></div>
<div class="ttc" id="structParticles_html"><div class="ttname"><a href="../../d0/de9/structParticles.html">Particles</a></div><div class="ttdef"><b>Definition:</b> type.h:373</div></div>
<div class="ttc" id="class____Vect3_html"><div class="ttname"><a href="../../da/d1a/class____Vect3.html">__Vect3&lt; double &gt;</a></div></div>
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